Q:

A concurrency-control policy such as this one leads to ______ performance, since it forces transactions to wait for preceding transactions to finish before they can start

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A concurrency-control policy such as this one leads to ______ performance, since it forces transactions to wait for preceding transactions to finish before they can start.


  1. Good
  2. Average
  3. Poor
  4. Unstable

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 (c).Poor

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